Red bark has the effect of clearing heat and dampness (removing heat and dampness from the body), detoxifying the throat, cooling the blood and stopping bleeding (cooling and moistening the blood to prevent bleeding), and is often used in the treatment of diarrhea, dysentery, sore throat, blood in urine, bleeding from wounds and other conditions. Red bark belongs to the hemostatic medicine in the cool blood to stop bleeding medicine, the family for the mangrove family Mullein bark or root bark. Red bark is bitter, cold, astringent, can be used internally and externally. Due to the bitter cold nature of this product, it should be used with caution in cases of coldness of the spleen and stomach (spleen and stomach weakness and cold), loose stools (thin and unformed feces) and diarrhea, and should be used with caution in pregnant women, and it is forbidden for allergy sufferers. Adverse effects of Red Bark are not known. If necessary, please use under the guidance of a professional Chinese medicine practitioner, should not be self-medication, so as not to delay the condition.